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Top Forums UNIX for Advanced & Expert Users Login through SFTP using username and password Post 302469493 by Corona688 on Saturday 6th of November 2010 03:16:02 PM
Old 11-06-2010
Was this requirement forced down your throat by crazed management? I've heard 'security' used as an excuse for the complete and total lack of it far too many times; storing passwords in plaintext form is a very bad idea. It's extremely hard to protect them.

If you absolutely have to, the 'expect' tool may help you, but it's a kludge.
 

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pwd_strengthd(1m)														 pwd_strengthd(1m)

NAME
pwd_strengthd - The sample Password Management Server SYNOPSIS
pwd_strengthd [+/-all[_spaces]] [+/-alp[ha_num]] [-c[ache_size]] size [-d[ebug]] [-m[in_len]] pwd_min_len [-t[imeout]] minutes [-v[erbose]] OPTIONS
Allow passwords to be all spaces. If this option is not set, the effective registry policy is used. Disallow passwords to be all spaces. If this option is not set, the effective registry policy is used. Allow passwords to consist only of alphanumeric characters. If this option is not set, the effective registry policy is used. Disallow passwords to consist only of alphanumeric characters. If this option is not set, the effective registry policy is used. Specify the number of hash buckets in the password cache. The password cache is used to store generated passwords which are retrieved when the password is strength checked. The password cache is a hash table with a linked list for collisions. The size should be set to a reasonable value based on how large the cache will be on average. The default value if not specified is 100. Run in the foreground. Log messages are written to standard output. Specify the minimum length of a password. If this option is not set, the effective registry policy is used. Specify the time, in minutes, that generated passwords remain in the cache before they are deleted from memory. If this option is not specified, the default time is 30 minutes. Runs in verbose mode. More detailed messages are sent to the logfile $DCELOCAL/var/security/pwd_strengthd.log. (Use of this option is recommended.) DESCRIPTION
DESCRIPTION pwd_strengthd is a sample Password Management Server. It exports the rsec_pwd_mgmt application programming interface. pwd_strengthd generates passwords and strength-checks them. It enforces the security registry policy for password strength-checking. Administrators can override the security registry policy via the command-line options (alpha_num, all_spaces, min_len.) Administrators can subject principals to password-strength and -generation policies by attaching the following ERAs: Specifies the password management policy the user must conform to when selecting passwords. Specifies information required in order to connect to the password management server. See the OSF DCE Administrator's Guide -- Core Services for more information and examples. You may want to enhance pwd_strengthd to support your site's policies for password strength and generation. pwd_strengthd(1m)
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